Steamboat Geyser’s quiet adds mystery, not alarm, and gives Yellowstone visitors new ways to notice a restless landscape each ...

Far beneath the forests and hot springs of the American West, the continent’s largest active volcanic system is rumbling in ...

Every thermal feature in Yellowstone has a natural system of subterranean "plumbing" that feeds water and steam to the ...

There have been only two major eruptions of Yellowstone’s Steamboat Geyser in 2025, and it's been more than 200 days since ...

University of Birmingham volcanologist Mike Cassidy argued that the biggest danger could come, not from Yellowstone and Mount Etna, but from hidden volcanoes that appear dormant and are barely ...

A new thermal vent spewing steam in the air at Yellowstone National Park is gaining attention, mainly because it's visible from a road rather than any significant change in the park famous for its ...

The volcano near Naples is shaking the ground in a way that scientists say it hasn't for centuries, posing risks for hundreds of thousands of people living in the 8-mile-wide crater left by past ...

The volcano near Naples is shaking the ground in a way that scientists say it hasn't for centuries, posing risks for hundreds of thousands of... Italy's Campi Flegrei supervolcano is stirring. Could ...

POZZUOLI, Italy — In Greek and Roman mythology, the Campi Flegrei volcano is depicted as the opening to the underworld. Its prehistoric eruptions blocked out the sun, turning summer into winter and ...